Customer Ratings & Reviews

I’m using this for the 2nd time and I can feel the difference.

I watched a YouTube video where Gale Banks went to the Amsoil factory for a tour. If you are into quality products you should watch that video. Amsoil has top tier, quality products and you’ll know why after watching the video. I don’t know the finer details about one brand of oil from the next but I do know what quality looks like. Amsoil’s prices are very competitive too. I’m a super fan of this company. In a world where true quality is hard to come by these days it’s so nice to see that there are still a few places committed to excellence. Thanks Amsoil! Please don’t change!

It is well worth the peace of mind to trust one of my biggest investments to AMSOIL. Fast delivery, good support and top notch products are a must in my world.

Great product and in my book best oil to buy works great

Putting in my 2024 Chevy 1/2 ton.

It sounds crazy but my truck seems to run quieter and smoother.

Aucune consommation avec cet huile comparé à celui du dealer Chevrolet duramax 3.0l

Excellent Customer Service and Products. Best oil on the market.

0w20 was just to light of a oil for my 3.0 Duramax

I have used this oil since day one in my Cruze diesel. It's at 168k now and running perfect. I ran it 12k the last time because it still looked clean. Thanks for a Great product Amsoil.

I have taken a great liking to the Amsoil 5w-30 diesel oil. After running this for multiple oil changes and conducting testing through Oil Analyzers it has shown to be superior over the factory recommended 0w-20 for my 3.0 LM2 Duramax. The presence of wear metals has lessened over time and engine chatter is reduced especially when paired with a diesel fuel additive for extra injector and pump lubricity. My only wish is that Amsoil would allow me to create a “kit” with the 7 Qts and WIX oil filter needed for my truck.

Fantastic oil for my 3.0 duramax. 2-3 mpg gain, excellent products from a excellent company who stand behind their products. I have had great results with their other products too, trans fluid, gear oil , multi purpose grease etc.

Great oil, crummy internet promotions. Last purchase did NOT allow me to load multi tool promo code. Not impressed

I have been using this Amsoil for my chevy 3.0L diesel. Since I trust Amsoil I let the computer to do the countdown for oil changes instead of changing it at a regular interval (like every 5K). Typically I have been changing oil between 6.5K-7.0K miles. And in between that it gets close to bottom hash mark on the dip stick (needing 1 Quart). But I haven't added any oil since I do the oil change anyways at that time. So my motor burns about a quart every 7K miles. Not too bad I think.

Great product

Been using this in our durmax 3.0 since first engine came out never had a problem using this oil

Eng.,running smoothly 3.0 D

I’m looking to maximize my engine’s longevity and believe this is the oil that will aid in doing so.

Saw 1 MPG improvement but will say it feels like the truck starts and runs easier. May just be in my head.

Best oil for 3.0 duramax seen increased in fuel mileage